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5KSD

Crystal Structure of a Plasma Membrane Proton Pump

Replaces:  3B8C
Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0005215molecular_functiontransporter activity
A0005524molecular_functionATP binding
A0008553molecular_functionP-type proton-exporting transporter activity
A0016020cellular_componentmembrane
A0016887molecular_functionATP hydrolysis activity
A0120029biological_processproton export across plasma membrane
B0000166molecular_functionnucleotide binding
B0005215molecular_functiontransporter activity
B0005524molecular_functionATP binding
B0008553molecular_functionP-type proton-exporting transporter activity
B0016020cellular_componentmembrane
B0016887molecular_functionATP hydrolysis activity
B0120029biological_processproton export across plasma membrane
Functional Information from PDB Data
site_idAC1
Number of Residues2
Detailsbinding site for residue MG A 901
ChainResidue
AASP588
AACP904

site_idAC2
Number of Residues1
Detailsbinding site for residue MG A 902
ChainResidue
AASP372

site_idAC3
Number of Residues4
Detailsbinding site for residue K A 903
ChainResidue
ALEU596
ALYS597
AALA599
AASP617

site_idAC4
Number of Residues12
Detailsbinding site for residue ACP A 904
ChainResidue
AILE374
AASP375
APHE400
ATHR407
AALA425
ASER457
ALEU458
ATHR511
AGLY512
AMG901
ATHR331
AASP372

site_idAC5
Number of Residues3
Detailsbinding site for residue LMT A 905
ChainResidue
AARG775
ASER776
AARG842

site_idAC6
Number of Residues2
Detailsbinding site for residue MG B 901
ChainResidue
BASP588
BACP904

site_idAC7
Number of Residues1
Detailsbinding site for residue MG B 902
ChainResidue
BACP904

site_idAC8
Number of Residues4
Detailsbinding site for residue K B 903
ChainResidue
BLEU596
BLYS597
BALA599
BASP617

site_idAC9
Number of Residues14
Detailsbinding site for residue ACP B 904
ChainResidue
BLYS330
BTHR331
BASP372
BILE374
BASP375
BPHE400
BTHR407
BALA425
BARG456
BLEU458
BTHR511
BGLY512
BMG901
BMG902

site_idAD1
Number of Residues3
Detailsbinding site for residue LMT B 905
ChainResidue
BARG775
BSER776
BARG842

Functional Information from PROSITE/UniProt
site_idPS00154
Number of Residues7
DetailsATPASE_E1_E2 E1-E2 ATPases phosphorylation site. DKTGTLT
ChainResidueDetails
AASP329-THR335

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues38
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues100
DetailsTopological domain: {"description":"Extracellular","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1010
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues34
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues42
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues44
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=7","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=8","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=9","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues40
DetailsTransmembrane: {"description":"Helical; Name=10","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsActive site: {"description":"4-aspartylphosphate intermediate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues4
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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